Kerr-Newman Black Hole Entropy and Soft Hair
arXiv:1902.02247
Abstract
Recently a set of diffeomorphisms were found which act nontrivially on the Kerr horizon and form a left-right pair of Virasoro algebras. Using the boundary formula for the associated central charge and assuming applicability of the Cardy formula to a putative dual CFT, the Bekenstein-Hawking entropy for the Kerr black hole was reproduced. In this paper, the addition of charge to the black hole is shown to require a minimal modification to this construction which then reproduces the Bekenstein-Hawking entropy for the Kerr-Newman black hole.
References in corpus (7)
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- Soft Hair as a Soft Wig
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- HPS meets AMPS: How Soft Hair Dissolves the Firewall
- Invariance of Unruh and Hawking radiation under matter-induced supertranslations
- On the Various Extensions of the BMS Group
- Entropy Counting from Schwarzschild/CFT and Soft Hair
- Hidden Conformal Symmetries from Killing Towers with an Application to Large-D/CFT
- Echoes in the Kerr/CFT correspondence
- Kerr-Bolt Black Hole Entropy and Soft Hair
- The integrability of Virasoro charges for axisymmetric Killing horizons